Mack-Cali Realty Corporation Stockholders' Equity And Mack-Cali Realty, L.P.'s Partners' Capital (Earnings Per Share Tables - Basic Computation Of EPS) (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands |
3 Months Ended |
6 Months Ended |
Jun. 30, 2021 |
Jun. 30, 2020 |
Jun. 30, 2021 |
Jun. 30, 2020 |
| Stockholders Equity [Line Items] |
|
|
|
|
| Income (loss) from continuing operations |
$ (78,907)
|
$ (41,699)
|
$ (99,129)
|
$ (72,703)
|
| Add (deduct): Noncontrolling interests in consolidated joint ventures |
1,198
|
829
|
2,533
|
1,005
|
| Add (deduct): Noncontrolling interests in Operating Partnership |
7,669
|
4,527
|
9,974
|
8,089
|
| Add (deduct): Redeemable noncontrolling interests |
(6,471)
|
(6,471)
|
(12,942)
|
(12,942)
|
| Add (deduct): Redemption value adjustment of redeemable noncontrolling interests attributable to common shareholders |
(1,550)
|
(2,236)
|
(3,341)
|
(5,040)
|
| Income (loss) from continuing operations available to common shareholders |
(78,061)
|
(45,050)
|
(102,905)
|
(81,591)
|
| Income (loss) from discontinued operations available to common shareholders |
4,432
|
7,927
|
35,108
|
1,740
|
| Net income (loss) available to common shareholders for basic earnings per share |
$ (73,629)
|
$ (37,123)
|
$ (67,797)
|
$ (79,851)
|
| Weighted average common shares |
90,774
|
90,629
|
90,733
|
90,622
|
| Income (loss) from continuing operations available to common shareholders |
$ (0.86)
|
$ (0.50)
|
$ (1.13)
|
$ (0.90)
|
| Income (loss) from discontinued operations available to common shareholders |
0.05
|
0.09
|
0.38
|
0.02
|
| Net income (loss) available to common shareholders |
$ (0.81)
|
$ (0.41)
|
$ (0.75)
|
$ (0.88)
|
| Mack-Cali Realty LP [Member] |
|
|
|
|
| Stockholders Equity [Line Items] |
|
|
|
|
| Income (loss) from continuing operations |
$ (78,907)
|
$ (41,699)
|
$ (99,129)
|
$ (72,703)
|
| Add (deduct): Noncontrolling interests in consolidated joint ventures |
1,198
|
829
|
2,533
|
1,005
|
| Add (deduct): Redeemable noncontrolling interests |
(6,471)
|
(6,471)
|
(12,942)
|
(12,942)
|
| Add (deduct): Redemption value adjustment of redeemable noncontrolling interests attributable to common shareholders |
(1,705)
|
(2,473)
|
(3,675)
|
(5,573)
|
| Income (loss) from continuing operations available to common shareholders |
(85,885)
|
(49,814)
|
(113,213)
|
(90,213)
|
| Income (loss) from discontinued operations available to common shareholders |
4,876
|
8,765
|
38,619
|
1,925
|
| Net income (loss) available to common shareholders for basic earnings per share |
$ (81,009)
|
$ (41,049)
|
$ (74,594)
|
$ (88,288)
|
| Weighted average common units |
99,873
|
100,213
|
99,817
|
100,198
|
| Income (loss) from continuing operations available to common shareholders |
$ (0.86)
|
$ (0.50)
|
$ (1.13)
|
$ (0.90)
|
| Income (loss) from discontinued operations available to common shareholders |
0.05
|
0.09
|
0.38
|
0.02
|
| Net income (loss) available to common shareholders |
$ (0.81)
|
$ (0.41)
|
$ (0.75)
|
$ (0.88)
|